HHsearch alignment for GI: 255764461 and conserved domain: TIGR00456

>TIGR00456 argS arginyl-tRNA synthetase; InterPro: IPR001278 The aminoacyl-tRNA synthetases (6.1.1. from EC) catalyse the attachment of an amino acid to its cognate transfer RNA molecule in a highly specific two-step reaction. These proteins differ widely in size and oligomeric state, and have limited sequence homology . The 20 aminoacyl-tRNA synthetases are divided into two classes, I and II. Class I aminoacyl-tRNA synthetases contain a characteristic Rossman fold catalytic domain and are mostly monomeric . Class II aminoacyl-tRNA synthetases share an anti-parallel beta-sheet fold flanked by alpha-helices , and are mostly dimeric or multimeric, containing at least three conserved regions , , . However, tRNA binding involves an alpha-helical structure that is conserved between class I and class II synthetases. In reactions catalysed by the class I aminoacyl-tRNA synthetases, the aminoacyl group is coupled to the 2'-hydroxyl of the tRNA, while, in class II reactions, the 3'-hydroxyl site is preferred. The synthetases specific for arginine, cysteine, glutamic acid, glutamine, isoleucine, leucine, methionine, tyrosine, tryptophan and valine belong to class I synthetases; these synthetases are further divided into three subclasses, a, b and c, according to sequence homology. The synthetases specific for alanine, asparagine, aspartic acid, glycine, histidine, lysine, phenylalanine, proline, serine, and threonine belong to class-II synthetases . Arginyl-tRNA synthetase (6.1.1.19 from EC) has been crystallized and preliminary X-ray crystallographic analysis of yeast arginyl-tRNA synthetase-yeast tRNAArg complexes is available . ; GO: 0000166 nucleotide binding, 0004814 arginine-tRNA ligase activity, 0005524 ATP binding, 0006412 translation, 0006420 arginyl-tRNA aminoacylation, 0005737 cytoplasm.
Probab=99.82  E-value=3.7e-18  Score=153.33  Aligned_cols=346  Identities=22%  Similarity=0.281  Sum_probs=199.4

Q ss_pred             CCCEEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHHHHCCCCEE---ECCCC------------------------CCC-
Q ss_conf             88817997888999988322247897899999999885898036---23643------------------------702-
Q gi|255764461|r    3 EREKLYISTAIAYPNAQPHIGHAYEMIIADVLARFHRLDGLDVL---FTTGT------------------------DEH-   54 (511)
Q Consensus         3 ~~~~~~vt~~~Py~ng~lHlGH~~~~i~~D~~~R~~r~~G~~v~---~~~g~------------------------D~h-   54 (511)
T Consensus       116 ~~~ki~~EfsSaNp~gplH~GHlR~aiIGD~L~r~l~~~G~~V~r~yyVND~G~Q~~~l~~~~~~~~~e~~~~~~~~~~~  195 (600)
T TIGR00456       116 ESKKIIIEFSSANPAGPLHIGHLRNAIIGDSLARILEFLGYDVIREYYVNDWGRQIGLLVLGVEKFGNEKETAVKKPDHG  195 (600)
T ss_pred             CCEEEEEEEECCCCCCCCCHHHHHHHHHHHHHHHHHHHCCCCEEEEEEECCHHHHHHHHHHHHHHHCCHHHCCCCCCCCC
T ss_conf             87079998765888976110000257778899999987597079852005428999999999998512132026687420


Q ss_pred             --CH-HHHHHHHH-CCCC------HHH------------------------HHHHHHHHHHHHHHHHCCCCCCCCCCCCH
Q ss_conf             --27-99999998-3999------899------------------------99999999999999808898867477888
Q gi|255764461|r   55 --GQ-KIAKAAQN-AGVT------TKV------------------------FVDQNSRNFRDMADVLDISYDDFIRTTEK  100 (511)
Q Consensus        55 --g~-~i~~~A~~-~g~~------p~e------------------------~~~~~~~~~~~~~~~~~i~~D~~~rT~~~  100 (511)
T Consensus       196 ~~~~~y~~~~k~~~e~~~~~~~~s~~~~~~~~~~~~e~gdnNe~~~~~w~~~~~~~l~~~k~tl~~lni~~D~~~~E~E~  275 (600)
T TIGR00456       196 LEGFDYVEINKRLEENEEPINKQSLEEEARELFVKLESGDNNEKTIKLWKRLVEYALEGIKETLKRLNIHFDEFVWEGES  275 (600)
T ss_pred             HHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHCCCEEEEEECCEE
T ss_conf             12358889887886177765333545789999997432444289999999999999999999998629650058854045


Q ss_pred             HHHHHHHHHHHHHH-HHHCCCCCCHHHHCCCCCCCCCCHHHHCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCC--CC
Q ss_conf             89999999988875-4310221100010113343015566721112222222233200003454434466644444--34
Q gi|255764461|r  101 RHHDTCRILWKKIS-DKGDIYKGCYSGWYSLRDEAYYNDDEVYKGADGQYYNAQHNPVQWMEEEGYFFRLSAYQDK--LL  177 (511)
Q Consensus       101 ~~~~~~~~~~~~l~-~~G~iy~~~~~~~y~~~~~~~~~~~~v~~~~~~~~~~~~~~p~~~~~~~~~f~~l~~~~~~--l~  177 (511)
T Consensus       276 ~~~~~~~~v~e~L~k~~gl~~ed~g---------------------------------------A~~~~L~~f~d~kadG  316 (600)
T TIGR00456       276 VKNGKVPKVLEDLKKEKGLVVEDDG---------------------------------------ALWLDLTEFGDKKADG  316 (600)
T ss_pred             EECCCHHHHHHHHHHHCCCEEECCC---------------------------------------EEEEECCCCCCCCCCC
T ss_conf             7748607899986310378067473---------------------------------------4899757766621267


Q ss_pred             CCCCCCCCCCCHHHHHHHHHHHCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHCCCCCCCCCCC--CCCCC
Q ss_conf             4433332100067654577541034567532343337776578642221464602444322001234676543--10002
Q gi|255764461|r  178 SYYESHPEFILPIERRNEVISFVKSGLKDLSLSRKTFDWGIKIPDDPQYIMYVWIDALTNYLTTTGYLDNPDG--SKAKF  255 (511)
Q Consensus       178 ~~~~~~~~~~~p~~~~~~~~~wl~~gl~Dw~ISR~~~~WGipiP~~~~~~~YVWfDa~~gY~s~~~~~~~~~~--~~~~~  255 (511)
T Consensus       317 ~-------------------------~k~~Vl~k~D---Gt--------~~Y~T~D--iA------yh~~k~~~~~~d~~  352 (600)
T TIGR00456       317 D-------------------------EKDRVLIKSD---GT--------YLYLTRD--IA------YHLDKLERLGFDKL  352 (600)
T ss_pred             C-------------------------CCCEEEEEEC---CC--------CCCHHHH--HH------HHHHHHHHCCCEEE
T ss_conf             6-------------------------4564788508---95--------0105989--99------99998734397289


Q ss_pred             CCCCHHCCCCCCCCHHCCHHHHHHHHHH-HHCCCCCCC--CCCEE-ECCCCCCHHHCCCCCCCCH---------------
Q ss_conf             4110000456432100010247765433-101232333--43033-0586010000022111000---------------
Q gi|255764461|r  256 WPADLHVIGKDILRFHAIYWPAFLLSAN-LPLPKKVFS--HGFIL-HKGEKISKSLGNVIDPIEV---------------  316 (511)
Q Consensus       256 w~~d~~~~G~Dii~Fh~i~~pa~l~~~~-~~~p~~i~~--~g~l~-~~G~KMSKS~GN~I~~~e~---------------  316 (511)
T Consensus       353 ----i~V~gsdh~~h~~q~~-~~~e~LG~~~~~~~L~~~~f~~v~~~~GKkmkTR~G~~i~ld~ll~e~~~RA~~~~~~~  427 (600)
T TIGR00456       353 ----IYVWGSDHKLHIAQVF-AILEKLGYLSKKKELEHLEFGMVPLGSGKKMKTRRGNVISLDNLLDEASKRAGNVITKR  427 (600)
T ss_pred             ----EEEEECCHHHHHHHHH-HHHHHCCCCCCCCCEEEEEEEEEECCCCCCCCCCCCCCEEHHHHHHHHHHHHHHHHHHH
T ss_conf             ----9874051888999999-99997165378861689987643257888543455660223446899999999999611


Q ss_pred             -------------HHHCCCCCCCHHHEEECCCCCCCEECCC-CCCCCHHHHHHHHHHHCC-HHHHHHHH-H-CCCCCCC-
Q ss_conf             -------------0002211121110000247873011122-211100133211022102-13455653-1-2332103-
Q gi|255764461|r  317 -------------IEEVGVDALRYFLVREIACGKDGFYDKD-GLKKRVNADLANGIGNLV-SRSVSMIL-K-DYDGMIP-  378 (511)
Q Consensus       317 -------------l~~~g~D~lR~~l~~~~~~~~D~~Fs~~-~~~~~~n~~L~~~lgN~~-~R~~~f~~-k-~~~g~ip-  378 (511)
T Consensus       428 ~~~~~~~e~~e~~a~~vG~gAvry~~l~~~-~~~~~~Fd~d~~~L~f~-~n-~~pY~QYAhaR~~Silr~~~~~~~~~~~  504 (600)
T TIGR00456       428 NTDLEQDEAEEKVADAVGIGAVRYADLSKN-RETHYVFDWDTAMLSFE-GN-TAPYIQYAHARICSILRKKAEIDGEKLI  504 (600)
T ss_pred             HCCCCCCCHHHHHHHHHHHHHHHHHHHHHC-CCCCCEEECCCHHHCCC-CC-CCCHHHHHHHHHHHHHHHHCCCCHHHHH
T ss_conf             013522203789999973679999999727-89881550120111157-88-7432588899999987631023313455


Q ss_pred             -C-CCCC-CHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHHHCCCHHHCCCH
Q ss_conf             -4-5558-9556566789999999999877503589999999999999978865418701216999
Q gi|255764461|r  379 -T-PGAF-TESDESILSVCSRVLQEIRENMQNQLIHRALAQVISLVSEVDRYFDAQKPWELKKTNP  441 (511)
Q Consensus       379 -~-~~~~-~~~D~~ll~~l~~~~~~v~~a~e~~~~~~Al~~i~~l~~~~N~yi~~~~PW~l~k~d~  441 (511)
T Consensus       505 ~~~~~~~~~~~E~~L~~~L~~fp~~~~~~~~~~~p~~l~~Yly~LA~~F~sfY~~~~--v~~~~~~  568 (600)
T TIGR00456       505 ADDFLLLKEEKEKELLKLLLQFPEVIEEAAEEREPHVLTNYLYELAKLFSSFYKACP--VLDAENE  568 (600)
T ss_pred             HHHCCCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHCCC--CCCCCCH
T ss_conf             320003688889999999856489999999854718889999999776423664177--8898626